Sigma rule: Sysmon Driver Unloaded Via Fltmc.EXE

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-7c46afd85340, updated 2023-02-13T00:00:00.000Z.

Rule

Title
Sysmon Driver Unloaded Via Fltmc.EXE
Status
test
Level
high
Author
Kirill Kiryanov, oscd.community
Date
2019-10-23
Modified
2023-02-13
File
rules/windows/process_creation/proc_creation_win_fltmc_unload_driver_sysmon.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects possible Sysmon filter driver unloaded via fltmc.exe

Log source

product
windows
category
process_creation

Detection

selection_img:
    - Image|endswith: '\fltMC.exe'
    - OriginalFileName: 'fltMC.exe'
selection_cli:
    CommandLine|contains|all:
        - 'unload'
        - 'sysmon'
condition: all of selection_*

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.stealth
  • attack.defense-impairment
  • attack.t1070
  • attack.t1685
  • attack.t1685.001

MITRE ATT&CK ids this rule names

Related rules

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_fltmc_unload_driver_sysmon.yml

Sources and licences

  • SigmaHQ

    "Sysmon Driver Unloaded Via Fltmc.EXE" by Kirill Kiryanov, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_fltmc_unload_driver_sysmon.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Sysmon Driver Unloaded Via Fltmc.EXE",
entity page, dataset version ref-7c46afd85340, updated 2023-02-13T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/4d7cda18-1b12-4e52-b45c-d28653210df8 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 4d7cda18-1b12-4e52-b45c-d28653210df8, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.